Home / 250,326,895.12-345,444,569.37-138,817,451.86

Finding the Fourth Proportional to 250,326,895.12, 345,444,569.37 and 138,817,451.86

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Solution

The fourth proportional to 250,326,895.12, 345,444,569.37 and 138,817,451.86 is: 191,564,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,326,895.12 : 345,444,569.37 = 138,817,451.86 : x
  2. Step 2: Convert to fraction form
    250,326,895.12/345,444,569.37 = 138,817,451.86/x
  3. Step 3: Cross multiply
    250,326,895.12x = 345,444,569.37 × 138,817,451.86
  4. Step 4: Simplify right side
    250,326,895.12x = 47,953,734,878,818,408
  5. Step 5: Solve for x
    x = 47,953,734,878,818,408/250,326,895.12
  6. Step 6: Final answer
    x = 191,564,453.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.